2- Imam Ali (AS) said, ‘The Fire whose rage is fierce, its din is high, its flame is glowing, its blaze is stirring up, its exhalation is furious, its extinction is remote, its fuel is blazing, and its threat is fearful.’
[Ibid. 9995]

3– Imam al-Sadiq (AS) said, relating what Gabriel (AS) once said to the Prophet (SAWA), ‘If only one link of the chain whose length is seventy cubits was to be tied down on this world, the world would melt by its heat.’
[Bihar al-Anwar, v. 8, p. 280, no. 1]

4- Imam al-Sadiq (AS) said, relating what Gabriel (AS) said to the Prophet (SAWA), ‘If only one garment from among the garments of the people of the Fire was to be hung between the sky and the earth, the people of this world would die of its smell.’
[Amali al-Tusi, p. 533, no. 1162]

6- Imam al-Sadiq (AS) said, relating what Gabriel said to the Prophet (SAWA), ‘If one drop of the cactus
[of Hell] was to drop in the drink of the people of this world, they would die of its stench.’
[zaqqÙm: bitter fruit from a certain tree in Hell (ed.)]

7- Imam Ali (AS) said, ‘When the ZaqqÙm158 and the cactus will boil in the stomachs of the people of the Fire, like boiling water, they will ask for a drink, and will be given a drink made of pus and festering matter. One will swallow it painfully but will not enjoy it, and death will come to him from all sides though he will not die.’
[Bihar al-Anwar, v. 8, p. 302, no. 58]

أوَّلُ مَن يَدخُلُ النّارَ / The First to Enter the Fire

8– The Prophet (SAWA) said, ‘The first to enter the Fire will be a domineering ruler who did not maintain justice, a rich man possessing wealth who does not give his due from his wealth, and a poor man who is arrogant.’
[`Uyoun Akhbar al-Ridha (AS), v. 2, p. 28, no. 20]

أهوَنُ النّاسِ عَذاباً / The People with the Least Pain

9– The Prophet (SAWA) said, ‘The people of the Fire to experience the least pain will be wearing slippers of fire, whilst their brains will be boiling due to the
[intensity of the] heat of their slippers.’
[Kanz al-`Ummal, no. 39507]

11– The Prophet (SAWA) said, ‘The
[categories of] people to experience the greatest pain on the Day of Resurrection will be: the man who killed a prophet or was killed by a prophet, the leader of deception, and the sculptor.’
[al-Durr al-Manthur, v. 1, p. 178]

14- Imam al-Sadiq (AS) said, ‘Verily there is a valley in Hell reserved for the arrogant, called Saqar, which complained to Allah, Mighty and Exalted, about its severe heat and asked His permission to breathe. So it breathed, and thus ignited Hell!’
[al-Kafi, v. 2, p. 310, no. 10]

مَن يُخَلَّدُ في جَهَنَّمَ / Those Who Will Be Made to Remain in Hell Permanently

15– Imam al-Kazim (AS) said, ‘Allah will not retain anybody in the Fire permanently except the people of disbelief, denial, error and polytheism. And whoever shuns the grave sins from among the believers will not be asked about the minor ones.’
[al-Tawhid, p. 407, no. 6]

17– Imam al-Baqir (AS) said, ‘Some people will burn in the Fire, until they are burned to ashes
[and become pure] – then they will be taken out through intercession.’
[al-Zuhd li al-Husayn b. SaÝÐd, p. 96, no. 260]

18– Imam al-Sadiq (AS) said, ‘The people of the Fire will be kept permanently in the Fire because their intentions in the world were such that if they were to live forever therein, they would disobey Allah forever. And verily the people of Paradise will also be made to remain in Paradise permanently because their intentions in this world were to obey Allah if only they were to live there forever. So, it is due to their intentions that these and those have their permanent residence.’ Then Imam recited the word of Allah, the Exalted: “Say, ‘Everyone acts according to his character” 170 and said that it means according to his intention.’
[al-Kafi, v. 2, p. 85, no. 5]